Full example for stackoverflow question - http://stackoverflow.com/questions/14052694/how-do-i-include-test-classes-and-configuration-in-my-war-for-integration-testin

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>com.sopovs.moradanen</groupId>
	<artifactId>war-it-test</artifactId>
	<version>1.0-SNAPSHOT</version>
	<packaging>war</packaging>


	<dependencies>

		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>javax.servlet-api</artifactId>
			<version>3.0.1</version>
			<scope>provided</scope>
		</dependency>
	</dependencies>

	<build>
		<finalName>war-it-test</finalName>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.0</version>
				<configuration>
					<source>1.7</source>
					<target>1.7</target>
				</configuration>
			</plugin>
		</plugins>
	</build>
	<profiles>
		<profile>
			<id>integration</id>
			<build>
		<finalName>war-it-test-integration</finalName>
		<plugins>
			<plugin>
				<artifactId>maven-antrun-plugin</artifactId>
				<version>1.7</version>
				<executions>
					<execution>
						<phase>process-test-classes</phase>
						<configuration>
							<target>
								<copy todir="${basedir}/target/classes">
									<fileset dir="${basedir}/target/test-classes" includes="**/*" />
								</copy>
							</target>
						</configuration>
						<goals>
							<goal>run</goal>
						</goals>
					</execution>
				</executions>
			</plugin>
		</plugins>
	</build>
		</profile>
	</profiles>
</project>

snippet of the other solution

                <plugin>
                    <groupId>org.codehaus.mojo</groupId>
                    <artifactId>build-helper-maven-plugin</artifactId>
                    <version>1.7</version>
                    <executions>
                        <execution>
                            <id>add-test-source</id>
                            <phase>generate-sources</phase>
                            <goals>
                                <goal>add-source</goal>
                            </goals>
                            <configuration>
                                <sources>
                                    <source>${basedir}/src/test/java</source>
                                </sources>
                            </configuration>
                        </execution>
                        <execution>
                            <id>add-test-resource</id>
                            <phase>generate-sources</phase>
                            <goals>
                                <goal>add-resource</goal>
                            </goals>
                            <configuration>
                                <resources>
                                    <resource>
                                        <directory>${basedir}/src/test/resources</directory>
                                    </resource>
                                </resources>
                            </configuration>
                        </execution>
                    </executions>
                </plugin>